Issues with log in ESI website

Question

Hi,

I hope this email finds you well. I'm reaching out to request a resolution to singing up issues with Microsoft ESI certification website. I'm using my work email to log in, I have successfully logged in before. However, for some reasons when I try to schedule my exam I have this repetitive notification of logging in (when I'm already logged in). I have this error message "you have no acces" and you can see the info. down below. I hope you can take a look into this, solve the problems.

Thanks!

Regards,

Haeun

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Request Id: d7d22069-61de-4078-9228-9e8eaf692b00

Correlation Id: 5e0f79a9-e05a-4105-9ecb-330148c8576c

Timestamp: 2024-05-03T01:51:54Z

Message: AADSTS900561: The endpoint only accepts POST requests. Received a GET request.